I believe there is an adapter you can buy that will allow the conversion, but I believe that scanner uses a SCSI port, not a lpt printer or parallel port. If that's the case, then you need to find yourself a PCMCIA SCSI Card for your laptop. Go to adaptec's website, there you will find everything you'll need and then some. Or checkout Dell's website, they should offer something.
To convert an HP PSC 500 printer to a laptop, you need an adapter cable to convert the parallel port to USB.
Ethernet cable or a special usb cable A-B
yes you can plug a ethernet cable into a laptop!
The purpose of the laptop to TV cable is to connect one's TV with their laptop. It's very useful for viewing pictures or movies from the laptop on the TV.
Subscribe to an ISP for internet such as IVC Telecom and then connect your laptop to the modem with an ethernet cable or connect wirelessly using wifi, assuming your laptop has a wireless network card.
an extention cord...
The VGA cable that you would use to connect a laptop to a projector screen is called a PS2 projector cable.
You can connect your laptop to the Internet with a cable modem, sure. You will need an Ethernet cable to do that. If you want wireless internet, you will need a cable modem, and a wireless router as well.
Ethernet cross-over cable
A laptop cable lock is used for locking a laptop to a grounded object with a short leash. This helps prevent theft of one's laptop, in case he or she needs to leave it unattended for a short period of time.
NO
No you need a blu ray player in your laptop. If your laptop has an HDMI output and a Blu Ray player then the HDMI cable will allow you to play your laptop Blu-ray disc using the HDTV instead of your laptop screen and sound